Home / 31,469.88-43,442.04-22,501.80

Finding the Fourth Proportional to 31,469.88, 43,442.04 and 22,501.80

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Solution

The fourth proportional to 31,469.88, 43,442.04 and 22,501.80 is: 31,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.88 : 43,442.04 = 22,501.80 : x
  2. Step 2: Convert to fraction form
    31,469.88/43,442.04 = 22,501.80/x
  3. Step 3: Cross multiply
    31,469.88x = 43,442.04 × 22,501.80
  4. Step 4: Simplify right side
    31,469.88x = 977,524,095.67
  5. Step 5: Solve for x
    x = 977,524,095.67/31,469.88
  6. Step 6: Final answer
    x = 31,062.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.